but that's what we learned about the fbi's piece in this. >> is it our understanding that the fbi investigation into that side of it is the reason that this had to happen today and with some urgency it was going to become widely known? >> we haven't been able to confirm that direct link. we have spoken to law enforcement officials who have made a round about link into this. but no one has said that the reason he's stepping down is because there was an fbi investigation into this woman as he's announcing his extramarital affairs. the timing piece of it, while this fbi investigation why have been a factor, we haven't been told that it was thee factor that led him to make the announcement today. >> absent the investigation, had that not happened shs the fact of the affair, would that be dangerous enough to somebody in the job as being head of the cia that that would force a resignation because of the threat of blackmail or anything else? >> we did speak to law enforcement officials. they said that blackmail is a concern whenever you have this kind of conversation. whenever you have the cia directo